80565040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59239}}^1$

素因数の和:59269

約数の個数: 40

約数和(自身を含む): 198335520

約数和(自身を除く): 117770480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 59239, 118478, 236956, 296195, 473912, 592390, 947824, 1007063, 1184780, 2014126, 2369560, 4028252, 4739120, 5035315, 8056504, 10070630, 16113008, 20141260, 40282520, 80565040]

約数ペア:

[(1, 80565040), (2, 40282520), (4, 20141260), (5, 16113008), (8, 10070630), (10, 8056504), (16, 5035315), (17, 4739120), (20, 4028252), (34, 2369560), (40, 2014126), (68, 1184780), (80, 1007063), (85, 947824), (136, 592390), (170, 473912), (272, 296195), (340, 236956), (680, 118478), (1360, 59239)]